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2026

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Axial flux stator and rotor core


Axial flux motor adopts a special structural design for stator and rotor core, where magnetic flux flows along the axial direction instead of the radial path of traditional motors. The core performance directly determines motor efficiency, power density and heat‑dissipation capacity.
Different from conventional stacked silicon‑steel cores, many axial‑flux solutions apply wound core technology. Continuous silicon steel strip is tightly coiled to form integral stator and rotor cores. This structure removes stamping splicing gaps, greatly reducing magnetic resistance. Magnetic flux travels along the grain‑oriented direction of silicon steel, which cuts down hysteresis loss and eddy‑current loss effectively. Lower core loss means less heat generation during high‑speed operation.
Axial flux stator and rotor cores deliver obvious advantages. Short magnetic paths improve magnetic utilization, helping motors achieve high torque and compact volume. Flat core layout optimizes heat dissipation channels for windings. Nevertheless, manufacturing challenges remain. Wound core processing requires high‑precision winding equipment, and structural stress must be controlled during production.
For new‑energy vehicle drives, well‑optimized axial flux stator‑rotor cores can expand high‑efficiency operating range. It is one of the key technical directions for next‑generation high‑performance electric motors.